51484992 has 56 divisors (see below), whose sum is σ = 146706336. Its totient is φ = 15840768.

The previous prime is 51484991. The next prime is 51484997. The reversal of 51484992 is 29948415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51484991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7818 + ... + 12809.

It is an arithmetic number, because the mean of its divisors is an integer number (2619756).

Almost surely, 2^51484992 is an apocalyptic number.

51484992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51484992 is an abundant number, since it is smaller than the sum of its proper divisors (95221344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51484992 is a wasteful number, since it uses less digits than its factorization.

51484992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20655 (or 20645 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 51484992 is about 7175.3043141040. The cubic root of 51484992 is about 372.0147988100.

The spelling of 51484992 in words is "fifty-one million, four hundred eighty-four thousand, nine hundred ninety-two".